Features: Experience unparalleled eye protective and comfort with the microscope eye shield, designing for extended observation. Crafted from high strength silicone, this eye shield is wear resistant and ergonomically designing to ensure a comfortable fit without pressure. For researcher, laboratory technicians, and students who require prolonged microscope use. Perfect for environment such as laboratory research, educational training, and diagnostics where microscopic observation is essential. Enhances your microscopy experience with this essential accessory, ensuring both safety and comfort during intensive study or work. Specifications: Component:Silicone Color:Black/Blue/Gray Size:Approx.53x38x13mm/2.08x1.49x0.51inch Diameter:Approx.30mm/1.18inch For M26 Package Includes: 1 Pair Silicone Eye Shield note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.